# encoding: utf-8
#
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this file,
# You can obtain one at http:# mozilla.org/MPL/2.0/.
#
# Contact: Kyle Lahnakoski (kyle@lahnakoski.com)
#
from __future__ import absolute_import, division, unicode_literals

from jx_base.expressions import OffsetOp as OffsetOp_
from mo_future import text


class OffsetOp(OffsetOp_):
    def to_python(self, not_null=False, boolean=False, many=False):
        return (
            "row["
            + text(self.var)
            + "] if 0<="
            + text(self.var)
            + "<len(row) else None"
        )
